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📁 ..
📁 .hash
📄 __init__.py(7.58 KB)
📁 __pycache__
📄 _cparser.pxd(4.22 KB)
📄 _find_header.pxd(68 B)
📄 _headers.pxi(1.96 KB)
📄 _helpers.cpython-311-x86_64-linux-gnu.so(86.01 KB)
📄 _helpers.pyi(202 B)
📄 _helpers.pyx(1.02 KB)
📄 _http_parser.cpython-311-x86_64-linux-gnu.so(569.59 KB)
📄 _http_parser.pyx(27.4 KB)
📄 _http_writer.cpython-311-x86_64-linux-gnu.so(75.01 KB)
📄 _http_writer.pyx(4.47 KB)
📄 _websocket.cpython-311-x86_64-linux-gnu.so(53.37 KB)
📄 _websocket.pyx(1.52 KB)
📄 abc.py(5.37 KB)
📄 base_protocol.py(2.68 KB)
📄 client.py(46.17 KB)
📄 client_exceptions.py(9.19 KB)
📄 client_proto.py(8.45 KB)
📄 client_reqrep.py(38.75 KB)
📄 client_ws.py(10.75 KB)
📄 compression_utils.py(4.9 KB)
📄 connector.py(51.56 KB)
📄 cookiejar.py(13.69 KB)
📄 formdata.py(5.96 KB)
📄 hdrs.py(4.5 KB)
📄 helpers.py(29.55 KB)
📄 http.py(1.8 KB)
📄 http_exceptions.py(2.65 KB)
📄 http_parser.py(34.66 KB)
📄 http_websocket.py(26.09 KB)
📄 http_writer.py(5.79 KB)
📄 locks.py(1.11 KB)
📄 log.py(325 B)
📄 multipart.py(31.71 KB)
📄 payload.py(13.22 KB)
📄 payload_streamer.py(2.04 KB)
📄 py.typed(7 B)
📄 pytest_plugin.py(11.33 KB)
📄 resolver.py(4.95 KB)
📄 streams.py(20.35 KB)
📄 tcp_helpers.py(961 B)
📄 test_utils.py(19.71 KB)
📄 tracing.py(14.78 KB)
📄 typedefs.py(1.44 KB)
📄 web.py(18.81 KB)
📄 web_app.py(17.88 KB)
📄 web_exceptions.py(10.12 KB)
📄 web_fileresponse.py(11.15 KB)
📄 web_log.py(7.62 KB)
📄 web_middlewares.py(3.94 KB)
📄 web_protocol.py(22.5 KB)
📄 web_request.py(28.08 KB)
📄 web_response.py(27.08 KB)
📄 web_routedef.py(5.99 KB)
📄 web_runner.py(11.46 KB)
📄 web_server.py(2.53 KB)
📄 web_urldispatcher.py(39.12 KB)
📄 web_ws.py(18.21 KB)
📄 worker.py(7.78 KB)

Editing: http_writer.py

"""Http related parsers and protocol."""

import asyncio
import zlib
from typing import Any, Awaitable, Callable, NamedTuple, Optional, Union  # noqa

from multidict import CIMultiDict

from .abc import AbstractStreamWriter
from .base_protocol import BaseProtocol
from .compression_utils import ZLibCompressor
from .helpers import NO_EXTENSIONS

__all__ = ("StreamWriter", "HttpVersion", "HttpVersion10", "HttpVersion11")

class HttpVersion(NamedTuple):
    major: int
    minor: int

HttpVersion10 = HttpVersion(1, 0)
HttpVersion11 = HttpVersion(1, 1)

_T_OnChunkSent = Optional[Callable[[bytes], Awaitable[None]]]
_T_OnHeadersSent = Optional[Callable[["CIMultiDict[str]"], Awaitable[None]]]

class StreamWriter(AbstractStreamWriter):
    def __init__(
        self,
        protocol: BaseProtocol,
        loop: asyncio.AbstractEventLoop,
        on_chunk_sent: _T_OnChunkSent = None,
        on_headers_sent: _T_OnHeadersSent = None,
    ) -> None:
        self._protocol = protocol

self.loop = loop
        self.length = None
        self.chunked = False
        self.buffer_size = 0
        self.output_size = 0

self._eof = False
        self._compress: Optional[ZLibCompressor] = None
        self._drain_waiter = None

self._on_chunk_sent: _T_OnChunkSent = on_chunk_sent
        self._on_headers_sent: _T_OnHeadersSent = on_headers_sent

@property
    def transport(self) -> Optional[asyncio.Transport]:
        return self._protocol.transport

@property
    def protocol(self) -> BaseProtocol:
        return self._protocol

def enable_chunking(self) -> None:
        self.chunked = True

def enable_compression(
        self, encoding: str = "deflate", strategy: int = zlib.Z_DEFAULT_STRATEGY
    ) -> None:
        self._compress = ZLibCompressor(encoding=encoding, strategy=strategy)

def _write(self, chunk: bytes) -> None:
        size = len(chunk)
        self.buffer_size += size
        self.output_size += size
        transport = self.transport
        if not self._protocol.connected or transport is None or transport.is_closing():
            raise ConnectionResetError("Cannot write to closing transport")
        transport.write(chunk)

async def write(
        self, chunk: bytes, *, drain: bool = True, LIMIT: int = 0x10000
    ) -> None:
        """Writes chunk of data to a stream.

write_eof() indicates end of stream.
        writer can't be used after write_eof() method being called.
        write() return drain future.
        """
        if self._on_chunk_sent is not None:
            await self._on_chunk_sent(chunk)

if isinstance(chunk, memoryview):
            if chunk.nbytes != len(chunk):
                # just reshape it
                chunk = chunk.cast("c")

if self._compress is not None:
            chunk = await self._compress.compress(chunk)
            if not chunk:
                return

if self.length is not None:
            chunk_len = len(chunk)
            if self.length >= chunk_len:
                self.length = self.length - chunk_len
            else:
                chunk = chunk[: self.length]
                self.length = 0
                if not chunk:
                    return

if chunk:
            if self.chunked:
                chunk_len_pre = ("%x\r\n" % len(chunk)).encode("ascii")
                chunk = chunk_len_pre + chunk + b"\r\n"

self._write(chunk)

if self.buffer_size > LIMIT and drain:
                self.buffer_size = 0
                await self.drain()

async def write_headers(
        self, status_line: str, headers: "CIMultiDict[str]"
    ) -> None:
        """Write request/response status and headers."""
        if self._on_headers_sent is not None:
            await self._on_headers_sent(headers)

# status + headers
        buf = _serialize_headers(status_line, headers)
        self._write(buf)

async def write_eof(self, chunk: bytes = b"") -> None:
        if self._eof:
            return

if chunk and self._on_chunk_sent is not None:
            await self._on_chunk_sent(chunk)

if self._compress:
            if chunk:
                chunk = await self._compress.compress(chunk)

chunk += self._compress.flush()
            if chunk and self.chunked:
                chunk_len = ("%x\r\n" % len(chunk)).encode("ascii")
                chunk = chunk_len + chunk + b"\r\n0\r\n\r\n"
        else:
            if self.chunked:
                if chunk:
                    chunk_len = ("%x\r\n" % len(chunk)).encode("ascii")
                    chunk = chunk_len + chunk + b"\r\n0\r\n\r\n"
                else:
                    chunk = b"0\r\n\r\n"

if chunk:
            self._write(chunk)

await self.drain()

self._eof = True

async def drain(self) -> None:
        """Flush the write buffer.

The intended use is to write

await w.write(data)
          await w.drain()
        """
        if self._protocol.transport is not None:
            await self._protocol._drain_helper()

def _safe_header(string: str) -> str:
    if "\r" in string or "\n" in string:
        raise ValueError(
            "Newline or carriage return detected in headers. "
            "Potential header injection attack."
        )
    return string

def _py_serialize_headers(status_line: str, headers: "CIMultiDict[str]") -> bytes:
    headers_gen = (_safe_header(k) + ": " + _safe_header(v) for k, v in headers.items())
    line = status_line + "\r\n" + "\r\n".join(headers_gen) + "\r\n\r\n"
    return line.encode("utf-8")

_serialize_headers = _py_serialize_headers

try:
    import aiohttp._http_writer as _http_writer  # type: ignore[import-not-found]

_c_serialize_headers = _http_writer._serialize_headers
    if not NO_EXTENSIONS:
        _serialize_headers = _c_serialize_headers
except ImportError:
    pass

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Editing: http_writer.py

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